diff options
Diffstat (limited to 'pkg/tcpip/transport/tcpconntrack')
-rw-r--r-- | pkg/tcpip/transport/tcpconntrack/BUILD | 1 | ||||
-rw-r--r-- | pkg/tcpip/transport/tcpconntrack/tcp_conntrack.go | 13 |
2 files changed, 3 insertions, 11 deletions
diff --git a/pkg/tcpip/transport/tcpconntrack/BUILD b/pkg/tcpip/transport/tcpconntrack/BUILD index 3ad6994a7..2025ff757 100644 --- a/pkg/tcpip/transport/tcpconntrack/BUILD +++ b/pkg/tcpip/transport/tcpconntrack/BUILD @@ -9,6 +9,7 @@ go_library( deps = [ "//pkg/tcpip/header", "//pkg/tcpip/seqnum", + "//pkg/tcpip/transport/tcp", ], ) diff --git a/pkg/tcpip/transport/tcpconntrack/tcp_conntrack.go b/pkg/tcpip/transport/tcpconntrack/tcp_conntrack.go index 93712cd45..30d05200f 100644 --- a/pkg/tcpip/transport/tcpconntrack/tcp_conntrack.go +++ b/pkg/tcpip/transport/tcpconntrack/tcp_conntrack.go @@ -20,6 +20,7 @@ package tcpconntrack import ( "gvisor.dev/gvisor/pkg/tcpip/header" "gvisor.dev/gvisor/pkg/tcpip/seqnum" + "gvisor.dev/gvisor/pkg/tcpip/transport/tcp" ) // Result is returned when the state of a TCB is updated in response to an @@ -311,17 +312,7 @@ type stream struct { // the window is zero, if it's a packet with no payload and sequence number // equal to una. func (s *stream) acceptable(segSeq seqnum.Value, segLen seqnum.Size) bool { - wnd := s.una.Size(s.end) - if wnd == 0 { - return segLen == 0 && segSeq == s.una - } - - // Make sure [segSeq, seqSeq+segLen) is non-empty. - if segLen == 0 { - segLen = 1 - } - - return seqnum.Overlap(s.una, wnd, segSeq, segLen) + return tcp.Acceptable(segSeq, segLen, s.una, s.end) } // closed determines if the stream has already been closed. This happens when |